The fresnel lens is a great magnifier. Perfect for firelighting in strong sunlight, as well as aiding to remove thorns, splinters and other minor medical problems. Made from Light weight acrylic so its less likely to shatter or chip in your pack. Ultra thin profile is easy to add carry every day, even in your wallet.
A good 4x magnification with a simple sleeve protective cover. Lightweight, reliable and an everyday essential. Wallet Size!